Page 36 - CEAST 9340 - Instructions for Use and Maintenance 7510.000MN1r ed. 1 rev. 1
7.4 CRYOGENIC SERVICE CONNECTION
Authorized Personnel: Operator
Note: the liquid nitrogen tank (optional) is supplied on request and must be used only
for low temperature tests on instruments equipped with the environmental chamber.
Avoid direct inhalation of undiluted gas.
Use only in a well ventilated place.
Local exhaust system of 1200 m
3
/hour is recommended
to prevent high nitrogen concentration when use the CEAST 9340
equipped with the environmental chamber.
WARNING !
The liquid nitrogen tank must be handled with extreme care.
Nitrogen in the liquid state has a temperature of -196 °C and it is therefore very
dangerous.
The user must not stand in front of the discharge valves of tank when regulat-
ing the pressure or touch with his bare hands the top central part of the tank as
there could be a risk of burns.
During the tank filling and handling operations
it is compulsory to wear ther-
mally insulated gloves and other protective clothes.
The room in which the nitrogen is used must be well ventilated to avoid envi-
ronment saturation problems (lowering of the oxygen percentage) with a risk of
suffocation.
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